1485747331 has 2 divisors, whose sum is σ = 1485747332. Its totient is φ = 1485747330.

The previous prime is 1485747301. The next prime is 1485747337. The reversal of 1485747331 is 1337475841.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1485747331 - 2¹⁹ = 1485223043 is a prime.

It is a super-2 number, since 2×1485747331² = 4414890263147247122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1485747337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742873665 + 742873666.

It is an arithmetic number, because the mean of its divisors is an integer number (742873666).

Almost surely, 2^1485747331 is an apocalyptic number.

1485747331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485747331 is an equidigital number, since it uses as much as digits as its factorization.

1485747331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 1485747331 is about 38545.3931229142. The cubic root of 1485747331 is about 1141.0770909314.

The spelling of 1485747331 in words is "one billion, four hundred eighty-five million, seven hundred forty-seven thousand, three hundred thirty-one".